(Thomas Reuters Foundation) – Martha’s fear grows each morning as her toes touch the cold and muddy water of the swamp in a remote part of South Sudan. Yet she steps confidently into the chest-deep marsh, her clothes drenched and her feet sinking into the slippery mud as she holds her schoolbag above her head to keep it dry. “I know there could be crocodiles, pythons and Guinea worm in here and I‘m scared every day,” said 18-year-old, who is one of thousands who have found safety in Ganyiel, a rebel-held town in the center of the war-torn country.